Which of the following events has increased the impact of
humans on the environment?
II. reduced human population growth
III. use of tools for hunting

a. I only
b. I and II
c. II and III
d. I and III
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Terms in this set (54)
Which statement regarding a global environmental indicator is
NOT correct?
a. Concentrations of atmospheric carbon dioxide have been rising
quite steadily since the Industrial Revolution.
b. World grain production has increased fairly steadily since 1950,
but worldwide production of grain per capita has decreased
dramatically over the same period.
c. For the past 130 years, average global surface temperatures
have shown an overall increase that seems likely to continue.
d. World population is expected to be between 8 billion and 10
Environmental metrics such as the ecological footprint are most
informative when they are considered along with other
environmental indicators. Which indicator, when considered in
conjunction with the ecological footprint, would provide the most
a. biological diversity
b. food production
c. human population
d. CO2 concentration
A species of bat nearly went extinct due to the destruction of its
forest habitat. However, conservationists preserved a small
remnant population of the species in a large forested reserve. The
population grew and it appeared that the species would rebound
when a disease suddenly wiped out the entire population. What is
the likely primary reason for why this occurred?
I. the low genetic diversity of the population
II. the reduced ecosystem diversity of the forest
III. greater contact with humans, who passed on the disease
a. I only
b. II only
c. III only
d. I and II
The fraction of the global human population living in developed
nations is currently 17 percent. If each person in the developed
world consumes on average 100 kg of meat per year, how much
meat will be consumed in the developed world in 1 year?
a. 102 billion kg
b. 130 billion kg
c. 500 billion kg
630 billion kg